21004650

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{15559}}^1$

素因数の和:15580

約数の個数: 48

約数和(自身を含む): 57883200

約数和(自身を除く): 36878550

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 135, 150, 225, 270, 450, 675, 1350, 15559, 31118, 46677, 77795, 93354, 140031, 155590, 233385, 280062, 388975, 420093, 466770, 700155, 777950, 840186, 1166925, 1400310, 2100465, 2333850, 3500775, 4200930, 7001550, 10502325, 21004650]

約数ペア:

[(1, 21004650), (2, 10502325), (3, 7001550), (5, 4200930), (6, 3500775), (9, 2333850), (10, 2100465), (15, 1400310), (18, 1166925), (25, 840186), (27, 777950), (30, 700155), (45, 466770), (50, 420093), (54, 388975), (75, 280062), (90, 233385), (135, 155590), (150, 140031), (225, 93354), (270, 77795), (450, 46677), (675, 31118), (1350, 15559)]